The accusations got here to mild in a doc filed by Mr. Manafort’s protection legal professionals that was imagined to be partly blacked out however contained a formatting error that unintentionally revealed the data.

Prosecutors for the particular counsel, Robert S. Mueller III, broke off a plea settlement with Mr. Manafort in November, accusing him of repeatedly mendacity to them. The particulars of their accusations have been saved largely secret till now.

In one portion of the submitting that Mr. Manafort’s legal professionals tried to redact, they as a substitute additionally revealed that Mr. Manafort “may have discussed a Ukraine peace plan” with the Russian affiliate, Konstantin V. Kilimnik, “on more than one occasion.”

Investigators have been questioning witnesses about whether or not Russia tried to affect the Trump administration to dealer a decision to hostilities between Russia and Ukraine. Various “peace plans” have been proposed, together with a minimum of one which referred to as for the lifting of American sanctions towards Russia. Mr. Manafort and Mr. Kilimnik had labored intently collectively for years on behalf of Russia-aligned Ukrainian pursuits.

Prosecutors have additionally accused Mr. Manafort of deceptive them about his contacts with senior administration officers, a couple of fee from a pro-Trump political motion committee made to cowl his authorized bills, and about how he and Mr. Kilimnik tried to affect the testimony of witnesses to keep at bay felony fees.

In their submitting, Mr. Manafort’s protection legal professionals stated that Mr. Manafort by no means deliberately misled federal authorities. Instead, they blamed a defective reminiscence, lack of entry to his personal information and sickness for his errors, saying their shopper has gout, melancholy and nervousness.

But they stated that they might not search a listening to to problem the prosecutors’ assertions Mr. Manafort lied, a call that brings Mr. Manafort one step nearer to being sentenced for his crimes. He was convicted final yr of 10 felonies together with conspiracy to impede justice and failure to reveal years of lobbying work for pro-Russia oligarchs in Ukraine.

The determination to not search a listening to mirrored the dearth of authorized decisions for Mr. Manafort, 69, who led Mr. Trump’s marketing campaign throughout a vital interval in mid-2016, then grew to become a major goal of Mr. Mueller’s crew. One prosecution in Northern Virginia resulted in his jury conviction in August for financial institution fraud, tax fraud and different monetary crimes. A second led to his responsible plea in September on two conspiracy fees.

He agreed then to help federal prosecutors in any matter they deemed of curiosity, together with the particular counsel’s investigation of Russia’s interference within the 2016 presidential election and the Trump marketing campaign. He met 12 instances with prosecutors or investigators from the particular counsel’s crew and from different workplaces, touring from a detention middle in suburban Washington the place he has been held in solitary confinement since June.

The plea settlement provides the prosecutors the facility to virtually unilaterally determine whether or not Mr. Manafort has violated it. Unless Mr. Manafort can present they acted in dangerous religion — a excessive bar — their judgment stands. The prosecutors may additionally determine to file new fees towards Mr. Manafort for mendacity to them, however don’t plan to take action, in keeping with the protection legal professionals’ submitting, unsealed Tuesday.

“They have him so deeply in the soup here that what both sides are almost saying is that this doesn’t matter,” stated Nancy Gertner, a Harvard Law School professor.

The new submitting got here one month after Judge Amy Berman Jackson stated in Federal District Court in Washington that she wanted to know extra concerning the prosecutors’ newest accusations towards Mr. Manafort earlier than she sentenced him on two conspiracy fees, which carry a most penalty of 5 years every. Judge T.S. Ellis III in Northern Virginia will sentence him for the opposite eight felonies.